US2846566A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Operating table lamp
Assignee: Individual
•
Filing: 1954-10-12
•
Granted: 1958-08-05
•
Expires: 1974-10-12
Abstract
No abstract record available.
Inventors
- 👤 Gunther Franz
- 👤 Gunther Hermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:33
CPC Classifications
F; F21; F21S; F21S8/00; F21S8/04; F21S8/06; F21V; F21V23/00; F21V23/02; F21W; F21W2131/00; F21W2131/20; F21W2131/205
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2069950A
Cited
US2107599A
Cited
US2088024A
Cited
US2215634A
Cited
US2215635A
Cited
US2596376A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-04 | 1962-02-03 | 1962-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-04 | 1966-02-03 | 1966-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-04 | 1970-02-03 | 1970-08-05 | $7700.00 | Window Closed / Lapsed |